100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
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#include "ZoomManager.h"
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#include "ZoomWidget.h"
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#include "utils/ImageUtils.h"
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ZoomWidget::ZoomWidget(std::string name,
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float w,
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float h,
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std::string fileName,
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std::string message,
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osgWidget::Widget::Layer layer,
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ZoomManager *pZoomManager)
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:osgWidget::Widget(name, w, h)
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{
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//osg::Image *image = ImageUtils::readImage(fileName);
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setImage(fileName, true, true);
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setTexCoord(0.0f, 0.0f, osgWidget::Widget::LOWER_LEFT);
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setTexCoord(1.0f, 0.0f, osgWidget::Widget::LOWER_RIGHT);
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setTexCoord(1.0f, 1.0f, osgWidget::Widget::UPPER_RIGHT);
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setTexCoord(0.0f, 1.0f, osgWidget::Widget::UPPER_LEFT);
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setLayer(layer);
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setEventMask(osgWidget::EVENT_MOUSE_PUSH | osgWidget::EVENT_MOUSE_RELEASE | osgWidget::EVENT_MOUSE_DRAG);
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setColor(1, 1, 1, 0);
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_pointX = _pointY = 0.0;
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_order = message;
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_pZoomManager = pZoomManager;
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}
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ZoomWidget::~ZoomWidget(void)
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{
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}
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bool ZoomWidget::mousePush(double x, double y, const osgWidget::WindowManager* wm)
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{
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_pZoomManager->state = ZoomManager::MOUSE_PUSH;
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_pointY = y;
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_pointX = x;
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if ("lessen" == _order)
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{
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_pZoomManager->zoom = -43;
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}
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else if ("enlargement" == _order)
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{
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_pZoomManager->zoom = 43;
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}
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setColor(1, 1, 1, 1);
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return false;
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}
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bool ZoomWidget::mouseRelease(double x, double y, const osgWidget::WindowManager* wm)
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{
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_pZoomManager->state = ZoomManager::MOUSE_RELEASE;
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if ("bar" == _order)
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{
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setOrigin(0, 67);
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getParent()->getByName("bar_")->setOrigin(0, 66);
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getParent()->resize();
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}
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_pZoomManager->zoom = 0.0;
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setColor(1, 1, 1, 0);
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return false;
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}
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bool ZoomWidget::mouseDrag(double x, double y, const osgWidget::WindowManager* wm)
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{
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if (_order == "bar")
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{
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_pointX += x;
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_pointY += y;
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while (_pZoomManager->zoom > 43)
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_pZoomManager->zoom = 43;
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while (_pZoomManager->zoom < -43)
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_pZoomManager->zoom = -43;
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if (y > 43 - _pZoomManager->zoom)
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{
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y = 43 - _pZoomManager->zoom;
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}
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if (y < -43 - _pZoomManager->zoom)
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{
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y = -43 - _pZoomManager->zoom;
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}
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if (_pZoomManager->zoom >= -43 && _pZoomManager->zoom <= 43)
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{
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addOrigin(0, y);
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getParent()->getByName("bar_")->addOrigin(0, y);
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_pZoomManager->zoom += y;
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}
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else {
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_pZoomManager->zoom += y;
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}
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getParent()->resize();
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}
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return true;
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}
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